TA Triumph-Adler LP 4024 - Manual (Page 161)

Cleaning
2-13
2
Wipe away the paper dust on the registration roller and the paper
ramp using the wiper cloth included in the toner kit.
Be careful not to touch the transfer roller (the black roller) during
cleaning as this may adversely affect print quality.
Paper Ramp
Transfer Roller [Black]
See Note below.
Registration Roller [Metal]
Paper Feed Unit
Wiper Cloth
Note